Donor material for carbonless copying

Details Donor material for carbonless copying Donor material for carbonless copying

B - Operations, Transporting

41

M

42/15

B41M 5/124 (2006.01)

Patent

CA 1124066

ABSTRACT OF THE DISCLOSURE In a donor material for carbonless copying which main- ly consists of a carrier sheet and a multiplicity of frang- ible microcapsules containing a suitable dye precursor in liquid medium and secured to one face of the sheet, spacer particles of soybean protein are interspersed in a relatively small amount between the microcapsules and project beyond the microcapsules away from the carrier sheet to protect the micro- capsules against premature fracture.

311407

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